Filter cartridge



FIG. 1 is a top pespective view of a filter cartridge according to the present design.

FIG. 2 is a first side elevational view of the filter cartridge of FIG. 1.

FIG. 3 is a second side elevational view, taken of a side opposite FIG. 2.

FIG. 4 is a third side elevational view, taken from the right toward the left with respect to the view of FIG. 2.

FIG. 5 is a fourth side elevational view opposite the view of FIG. 4.

FIG. 6 is a top plan view of the filter cartridge of FIG. 1; and,

FIG. 7 is a bottom plan view of the filter cartridge of FIG. 1.

The broken lines in the drawings form no part of the claimed design. 

The ornamental design for filter cartridge, as shown and described. 